The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2006
Filed:
Mar. 23, 2004
Applicant:
Ulrich Veith, Zurich, CH;
Inventor:
Ulrich Veith, Zurich, CH;
Assignee:
Lonza AG, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 311/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of a 4-(4-flourophenyl)-6-alkyl-2-N-alkansulfonyl-N-alkylamino)pyrimidine-5-carboxylic acid ester of formula (Ib), in which R, R, Rand Rare identical or different and are each a C-alkyl. A 2-[-1-amino-1-(4-flourophenyl)methylene]-4-alkyl-3-oxo-alkanoic acid ester of formula (IIIb), in which Rand Rhave the above-mentioned meanings, is reacted with an N-cyano-N-alkylalkanesulfonamide, optionally isolated or prepares in situ, of formula (IVb), in which Rand Rhave the above-mentioned meanings, to give the final product of formula (Ib).